Home / 25,305,383.90-34,921,366.80-13,702,946.78

Finding the Fourth Proportional to 25,305,383.90, 34,921,366.80 and 13,702,946.78

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Solution

The fourth proportional to 25,305,383.90, 34,921,366.80 and 13,702,946.78 is: 18,910,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,305,383.90 : 34,921,366.80 = 13,702,946.78 : x
  2. Step 2: Convert to fraction form
    25,305,383.90/34,921,366.80 = 13,702,946.78/x
  3. Step 3: Cross multiply
    25,305,383.90x = 34,921,366.80 × 13,702,946.78
  4. Step 4: Simplify right side
    25,305,383.90x = 478,525,630,745,258.81
  5. Step 5: Solve for x
    x = 478,525,630,745,258.81/25,305,383.90
  6. Step 6: Final answer
    x = 18,910,032.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.